<template>
  <div class="login-container">
    <div class="login-content">
      <div class="login-img"></div>
      <div class="login-form">
        <img
          class="login-logo"
          src="../../assets/images/login_logo.png"
          alt=""
        />
        <el-form
          v-show="active == 1"
          ref="loginForm"
          :model="loginForm"
          :rules="loginRules"
          autocomplete="on"
          label-position="left"
        >
          <el-form-item prop="account">
            <el-input
              ref="account"
              v-model="loginForm.account"
              :placeholder="$t('login.username')"
              name="account"
              type="text"
              tabindex="1"
              autocomplete="on"
              prefix-icon="el-icon-user"
              size="large"
            ></el-input>
          </el-form-item>
          <el-form-item class="rule-tip"></el-form-item>
          <el-tooltip
            v-model="capsTooltip"
            :content="$t('login.upper')"
            placement="right"
            manual
          >
            <el-form-item prop="password">
              <el-input
                ref="password"
                v-model="loginForm.password"
                show-password
                :placeholder="$t('login.password')"
                name="password"
                tabindex="2"
                autocomplete="on"
                @keyup.native="checkCapslock"
                @blur="capsTooltip = false"
                prefix-icon="el-icon-lock"
                size="large"
              ></el-input>
            </el-form-item>
          </el-tooltip>
          <el-row>
            <el-col :span="9">
              <img src="http://" />
            </el-col>
            <el-col :span="9">
              <el-form-item prop="validateCode">
                <el-input
                  v-model="loginForm.validateCode"
                  maxlength="4"
                  placeholder="请输入验证码"
                ></el-input>
              </el-form-item>
            </el-col>
          </el-row>
          <el-button
            :loading="loading"
            type="primary"
            class="login-btn"
            size="large"
            @click.native.prevent="handleLogin"
            >{{ $t("login.logIn") }}</el-button
          >
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    return {
      loginForm: {
        account: "",
        password: ""
      },
      loginRules: {
        account: [
          {
            required: true,
            trigger: "blur",
            message: this.$t("login.accountTip")
          }
        ],
        password: [
          {
            required: true,
            trigger: "blur",
            message: this.$t("login.passwordTip")
          }
        ],
        validateCode: [
          {
            required: true,
            trigger: "blur",
            message: this.$t("login.validateTip")
          }
        ]
      },
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {},
      active: 1
    };
  },
  computed: {
    loginLoading() {
      return this.$store.state.user.loginLoading;
    }
  },
  watch: {
    loginLoading(val) {
      if (!val) this.loading = false;
    },
    $route: {
      handler: function(route) {
        const query = route.query;
        if (query) {
          this.redirect = query.redirect;
          this.otherQuery = this.getOtherQuery(query);
        }
      },
      immediate: true
    }
  },
  created() {
    const _this = this;
    document.onkeydown = function(e) {
      const { keyCode } = e;
      if (keyCode === 13) {
        _this.handleLogin();
      }
    };
  },
  mounted() {
    this.$store.commit("user/SET_LOGIN_LOADING", false);
  },
  destroyed() {
    document.onkeydown = function(e) {
      const { keyCode } = e;
      if (keyCode === 13) {
      }
    };
  },
  methods: {
    checkCapslock(e) {
      const { key } = e;
      this.capsTooltip = key && key.length === 1 && key >= "A" && key <= "Z";
    },
    handleLogin() {
      if (this.loading) return;
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store.commit("user/SET_LOGIN_LOADING", true);
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({
                path: this.redirect || "/home",
                query: this.otherQuery
              });
            })
            .catch(() => {
              this.$store.commit("user/SET_LOGIN_LOADING", false);
            });
        } else {
          return false;
        }
      });
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== "redirect") {
          acc[cur] = query[cur];
        }
        return acc;
      }, {});
    }
  }
};
</script>

<style lang="scss" scoped>
$bg: #fff;
$cursor: #fff;

.login-container {
  width: 100%;
  overflow: hidden;
  height: 100%;
  background: url("../../assets/images/login_bg.png") no-repeat;
  background-position: 0 0;
  background-size: 57% 100%;
  background-color: $bg;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  .login-version {
    position: fixed;
    right: 0px;
    top: 0px;
    width: 94px;
    height: 94px;
    background: url("../../assets/images/login_version.png") no-repeat center;
    background-size: 100%;
    .login-version-text {
      width: 94px;
      height: 94px;
      line-height: 52px;
      text-align: center;
      color: #fff;
      font-size: 14px;
      transform: rotate(45deg);
    }
  }
  .login-content {
    width: 1060px;
    height: 500px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    .login-img {
      width: 500px;
      height: 500px;
    }
  }
  .login-form {
    width: 420px;
    padding-top: 30px;
    .login-logo {
      width: 100%;
      // height: 40px;
      margin-bottom: 55px;
    }
    .login-tab {
      height: 32px;
      margin-bottom: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 50px;
      .item {
        position: relative;
        line-height: 32px;
        font-size: 16px;
        color: #334d65;
        &::after {
          display: block;
          content: "";
          overflow: hidden;
          width: 28px;
          height: 2px;
          position: absolute;
          left: 0;
          bottom: 0;
          background-color: transparent;
          border-radius: 1px;
        }
        &.active {
          &::after {
            background-color: #1890ff;
          }
        }
      }
    }
    .rule-tip {
      color: #a0acb7;
      font-size: 12px;
      line-height: 12px;
      text-align: left;
      >>> .el-form-item__content {
        line-height: 12px;
      }
    }
    .el-form {
      input:-webkit-autofill {
        box-shadow: 0 0 0px 1000px #fff inset !important;
        -webkit-text-fill-color: #606266 !important;
      }
      input::-webkit-input-placeholder {
        color: #a0acb7;
      }
      .login-btn {
        width: 100%;
        font-size: 16px;
        margin-bottom: 20px;
        margin-top: 40px;
      }
      .foot {
        width: 100%;
        display: flex;
        justify-content: space-between;
        font-size: 12px;
        color: #188ae2;
        .register,
        .forget {
          cursor: pointer;
        }
      }
    }
    .login-form-QRCode {
      width: 420px;
      text-align: center;
      .qrcode-img {
        position: relative;
        margin-bottom: 16px;
        width: 240px;
        height: 240px;
      }
      .qrcode-tip {
        color: #334d65;
        line-height: 22px;
        font-size: 16px;
      }
    }
  }
  .login-foot {
    position: absolute;
    width: 1060px;
    color: #999;
    font-size: 12px;
    position: fixed;
    bottom: 20px;
    left: 31%;
    text-align: left;
    margin-left: 110px;
  }
}
</style>
